Keys for the Kingdom is a fully-graded piano series designed especially for the Christian student. Each lesson is carefully written to provide gradual progress. The colorful illustrations are designed to be fun and inspiring as well as to reinforce the lesson. This graded, multi-key, stylistically diverse series of books introduces the basic music concepts of rhythm, intervals, scales, chords, music theory, artistry, and improvisation. Level A begins with a pre-reading orientation to the black key groups followed by an introduction to the white key letter names. The staff is presented ever so slowly, first using a one-line staff, then a two-line staff, then the five-line staff, much in the style of Francis Clark's method for children, The Music Tree. Pieces feature one hand or the other until the end of Level A, when students are introduced to the grand staff and are playing melodies between two hands, one note at a time, in middle C position.